<div style="height: 100%;" layout="column" layout-fill layout-align="center stretch" ui-view>
    <md-content flex layout="row" layout-align="center center">
        <div layout="column" layout-align="center center">
            <md-progress-circular md-mode="indeterminate"></md-progress-circular>
        </div>
    </md-content>
</div>
